Re: systemd/nfs-server.service: Is `ExecStopPost=/usr/sbin/exportfs -au` necessary?

[Steve Dickson <steved@xxxxxxxxxx>]

On 7/22/24 9:18 AM, Paul Menzel wrote:
> Dear NFS folks,
>
>
> Since the beginning in 2014 with commit 929aaa7eeab1 (Added 
> systemd/nfs-server.service) the systemd service unit 
> `systemd/nfs-server.service` has
>
>      Description=NFS server and services
>      […]
>      [Service]
>      Type=oneshot
>      RemainAfterExit=yes
>      ExecStartPre=-/usr/sbin/exportfs -r
>      ExecStart=/usr/sbin/rpc.nfsd
>      ExecStop=/usr/sbin/rpc.nfsd 0
>      ExecStopPost=/usr/sbin/exportfs -au
>      ExecStopPost=/usr/sbin/exportfs -f
>
> and this is still present today as of commit b76dbaa48f7c (exports(5): 
> update and correct information about subdirectory exports) [1].
>
> Is flushing out the kernel’s export table with `exportfs -au` really 
> necessary when stopping the NFS server?
What problem does it cause to clean things up
when the server is shutdown?

steved.
> Kind regards,
>
> Paul
>
>
> [1]: 
> https://git.linux-nfs.org/?p=steved/nfs-utils.git;a=blob;f=systemd/nfs-server.service;h=ac17d5286d3bf93d693fea5554eb439425f6857c;hb=b76dbaa48f7c239accb0c2d1e1d51ddd73f4d6be